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Correspondence

On his stay in San Juan, Puerto Rico.
On his emigration and return to Europe. On the status of science in American and German society.
On their book manuscript and the chapter on cell behaviour.
On his trip to the French Caribbean. On recent research results on amphibian development by Holtfreter's students.
On Hamburger's lectures in Woods Hole. On Joan Anderson's work on the morphogentetic fraction of phosphatides.
Comments on their chapter in 'Analysis in Development'.
On arrangements for the upcoming Growth Symposium in New London at Connecticut College for Women; on the Embryology Meeting in Bern in September 1949. On Bill Muchmore visiting Rochester.
On Margaret Mead's "Balinese Character" sent by Hamburger as a christmas gift. On reading Stefan Zweig's "The World of Yesterday".
On Margaret Mead's "Balinese Character" sent by Hamburger as a christmas gift. However, Holtfreter is disgusted by Bateson's & Mead's scientific approach.
On the importance of embryology for cancer research: "Der Unterschied wuerde hinfaellig werden, wenn es uns edlen Embryologen gelaenge, all die aufghehaeuften Weisheiten der Genetic (sic!), Embrologie, Microbiologie, Immunologie, Biochemie und Pathologie zu verdauen und dem Leserpublikum so mundgerecht zu machen, dass nur wir Embryologen den Schluessel zum Krebsproblem in der Westentasche haben." On his X-ray experiments.
References for their chapter in 'Analysis in Development'.
On the future of Analytical Embryology. On references for Holtfreter's chapter.
On the opening of Hamburger's new lab facilities. On Hamburger's upcoming talk at Rochester on "Embryonic beginnings of behaviour".
On Holtfreter's recent experiments "to show that 'inducing agents' diffuse through a barrier of agar and of cellophane." On other induction experiments.
Detailed description (including several drawings) of Holtfreter's recent observations on Xenopus gastrulae. On induction.
On the program for the President's Symposium at the E. Lansing Meetings.
On reducing the length of chapters 9 & 10.
On his difficulties with graduate students.
Comments on the manuscript of 'Analysis of Development'.
Review of F. O. Schmitt's chapter in "Analysis of Development". "He has not a single word for all my efforts trying to relate the lipo-protein structure of the cell membrane (of which he speaks a lot) to the biological phenomena of cellular adhesion, locomotion, cell division, differentiation. Instead he glorifies the blah-blah of Weiss."
On Winterbert's claims about the development of the morula and other research papers. On a paper by Roy Gillette.
On the outline of one of their book chapters.
On the correction of the manuscript.

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